, consistent with the injuries the doctors found yesterday. nbc news pete williams reported that the bombs were triggered by a timer as opposed to a remote detonator. we learned this type of bomb is frequently used in afghanistan and iraq, but also recently popped up in the u.s. one of the devices used in the times square attempted bombing was apparently a pressure cooker. now, we are hearing about a press conference at the top of the hour. we'll carry it live for you on nbc 4 and nbcwashington.com. >>> all right, thank you, aaron. >>> and we're finding out more about the victims killed as the identities were revealed. three died yesterday, we now know two names, 29-year-old krystle campbell is one just confirmed to nbc news by her father this afternoon. she was a restaurant manager from medford massachusetts. this other guy, 8 years old, killed while they stood by the finish line. neighbors are haunted by this traged tragedy. >> to know he will never come home, it kept me up. >> martin released a statement, saying the wife and daughter suffered injuries, he asked others to pray for his family.